Oljato • The unincorporated community of Oljato sits beneath the iconic sandstone monoliths of Monument Valley, which draw millions of visitors from around the globe each year to this remote part of the Navajo Nation. The valley, just north of the Arizona- …Oljato • The unincorporated community of Oljato sits beneath the iconic sandstone monoliths of Monument Valley, which draw millions of visitors from around the globe each year to this remote part of the Navajo Nation. The valley, just north of the Arizona- …